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|LDEQ Accident Number
|Point Source(s)||Notes||Amount of Release|
|spent Sulfuric Acid Tank||Cause: An internal chemical reaction occured due to a nitrogen purge being cut off to the tank. The nitrogen purge is utilized for level indication. It is believed that G-1113 reacted with Oxygen to build up in the tank causing an internal chemical reaction leading to the release of HCL, HF, and Oxalic Acid.|
Notes: The area around the tank was barricaded and the #7 mitigation tower was activated as a precautionary measure to reduce the tank temperature. Black smoke was being released from the spent sulfuric acid pump down tank.
|piping||Cause: The plant experienced a pipe leak in the OMNI 143A unit.
The pipe integrity had been compromised during certain operating conditions of the unit that occur on an infrequent basis. These operating conditions are called catalyst burn downs. The pipe leak most likely developed during previous catalyst burn downs.|
Notes: The unit was immediately shutdown to stop the leak. Water was also applied to the leak in order to minimize the emissions. The entire segment of the pipe that the leak occurred on was replaced with Teflon lined pipe in order to improve the integrity and prevent any future incidents.
|pressure transmitter||Cause: The plant was in the process of repairing a pressure transmitter. When the transmitter was isolated for repair, this inadvertently caused an over pressure of the system.|
Notes: DUring the over pressure, the relief valves on the system opened as designed. The relief valves vented through the low pressure scrubber system and then to the air.